RetroBIOS: RetroArch 4 files to download, 1.0 MB BIOS folder: ~/.co.../retroarch/system 1 in place, 3 missing, 1 wrong copy Free space: 50.0 GB They are replaced, and the old copies are kept in a backup folder. > Install Choose systems Copy from your old card or a folder Options Quit A Install B Back Y Options ? Help